Armchair



FIG. 1 is a front perspective view of the armchair showing my new design,

FIG. 2 is a front elevational view,

FIG. 3 is a side elevational view, the opposite side view being a mirror image thereof,

FIG. 4 is a rear elevational view,

FIG. 5 is a top plan view; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an armchair, as shown and described. 